we urge you to cooperate with law enforcement authorities. the resources of the fbi and jttf allow for swift action we hope will yield quick results but that does diligence and persistence combing through the high volume of evidence and leads we're processing right now. we're beginning upon that path. thank you very much. >> i'm a, i'm gene marquez, acting special agent in charge, atf, boston field division. atf in partial of our response team activation. we're bringing our explosives specialists here to the scene and we will work jointly with the fbi and partners in the jtt. if we have certified explosive specialists. we have explosives enforcement officers. we have special agent bomb techs and we have k-9s that are trained to detect any explosive devices or any residue. at this time we have a approximately 30 forensic specialists in or out on the scene and to dispel any rumors there were, there were rumors floating around there were seven devices, seven devices at one point. that is not true. i think that happened as a result of some suspec